Tbeeitory



(No Model.)

R. HOWARD.

AUTOMATIC GAS EXTINGUISHING APPARATUS No. 392,921. Patented Nov. 13,1888.

F i gl INVENTOR:

WITNESSES:

By 1): ZWX' Attorney.

N. PETERS. Plwiouthognp'ur, Wnhlngton. D, C

' UNi'rEo STATES PATENT Grates.

REESE HOIVAED, OE SALT LAKE OITY UTAI-I TERRITORY.

AUTO MATlC GAS-EXTINGUISH ING APPARATUS.

SPECIFICATION forming part of Letters Patent No. 392,921, dated November13, 1888.

Application filed May 2, 1888.

To all whom it may concern/.-

Beit known that I, Runes HOWARD, a citizen of the United States,residing in Salt Lake City, Utah Territory, have invented certainImprovements in Automatic Gas-Extinguishing Apparatnses, of which thefollowing is a specification.

My invention relates to that class of devices or apparatuses which aredesigned to extinguish a gas-light ata certain hour, and the ob ject isto provide a simple and eflicient device that may be mounted on anordinary gas burner and connected with an ordinary alarmclock, such asmay be purchased in any city for a small sum.

My apparatus is designed to be wound up and connected on the one side,by a cord or other connector, with the gas-cock, and on the other side,by a cord or similar connector, with the vibrating hammer of analarm-clock. The first movement of the hammer when the alarm soundsreleases the spring of the extinguisher and allows it to wind up oractuate the connector attached to the gas-cock, and thus shut off thegas.

In the drawings, which serve to illustrate my invention, Figure l is ageneral view on a small scaleshowing the relative arrangements of thegas jet and cook, the extinguisher, and an alarmclock for setting theextinguisher in motion. Figs. 2 and 3 are respectively a sectional sideelevation and a rear elevation of the extinguisher.

In the drawings, X represents an ordinary alarni-clock-as an Ansoniaclock, for example.

Y represents the extinguisher as a whole, and Z represents the gaseock.

Referring to Figs. 2 and 3, I will describe the simple spring-motordevice, which I call the extinguisher. a a a represent the parts of asuitable frame, in which is mounted an arbor or shaft, 1), which isdriven by an ordinary clock or watch spring, a, in the usual way withthe mechanism of spring-clocks. On this arbor is ratcheted atoothedwheel, (I. By ratcheted I mean that when thiswheel is held fast thearbor may be rotated, in order to wind up the spring 0, a pawl, e, onthe wheel engaging the teeth of a ratchet-wheel, e, carried by thespring-arbor b. A spring pawl or dog, f, engages the teeth ofwheel d toform a detent, and this dog is connected by a cord,

Serial No. 272,590. (No model.)

9, or the like with the vibrating hammer it (see Fig. 1) of thealarm-clock X. On the spring-arbor b is secured a sheave or drum, 'i, onwhich is wound a cord, j, or the like, the other end of which isattached to the lever-arm or thumb-piece k of the gas cook Z.

The extinguisher Y may be mounted and arranged in any convenient mannerwith respect to the gascock and alarm-clock. In Fig. l I have shown it.attached to the chandelier or drop-light and near the gas-cock.

In winding up the extinguisher the operator unwinds cordj from sheave i.Then when the gas is turned on the slack in the cord is taken up,ornearly so. \Vhen the alarm sounds, the vibrating hammer It draws the dogor detent font of engagement with the teeth of wheel (I, thus releasingit, and this allows the spring 0 to rotate arbor b and the sheave tthereon, and thus wind up cord j and shut off the gas. The cord j mightwind directly on the arbor b; but when it winds on a sheave on the arbora less number of turns is required to wind up the necessary length ofcord. The spring may bcwound up by means of an'ordinary thumbpiece, Z,on the end of arbor b.

Having thus described my invention, I claim- 1. An automaticgas-extinguishing apparatus comprising an alarm-clock with a vibratinghammer, an extinguisher, as Y, comprising a spring-arbor and spring, adetent connected to the vibrating hammer of the clock, whereby themovement of said hammer releases said detent, and a cord or the likeconnecting said spring-arbor with the arm of the gas-coclgwhereby whensaid detent is released the spring winds up said cord and shuts off thegas.

2. The combination to form an extinguisher, Y, of a rotatively-mountedspring-arbor, b, a spring, a, to drive said arbor,a toothed wheel, cl,ratcheted on said arbor, a detent, f, engaging said wheel, its cord orconnector 9, the sheave i, and the cord or connectorj, wound thereon,substantially as set forth.

In witness whereof I have hereunto signed my name in the presence of twosubscribing witnesses.

REESE HOWARD. Witnesses:

J OHN H. BLAKE, BENJAMIN W. J ENNESS.

